flowers are bright red, there are varieties with white, purple-blue and pink flowers.They need open sunny areas with light fertile soils. Does not tolerate stagnant moisture.Annual herb, 10–50 cm high; stems ascending or erect, few-branched, glabrous.
Leaves linear-lanceolate to narrow-elliptic, 5–20 mm long, 1–2 mm wide, margins entire, surfaces glabrous.
Inflorescences loosely corymbose; pedicels usually < 5 mm long. Sepals lanceolate to ovate, 3–4 mm long, margins ciliate, rarely membranous. Petals 4–6 mm long, yellow. Anthers yellow. Styles free.
Capsule ± ovoid, 2–3 mm long, c. 2.5 mm diam.; seeds 1.5–2 mm long, brown.
Grows in warm areas in open places and in the steppe zone. Plant height 20-40 cm. Flowers are bright yellow, up to 3 cm in diameter. Blossoms in June-July. Develops in sunny areas, on light, nutrient-poor soil. Propagated by seeds. It does not tolerate a transplant, therefore it is recommended to grow seedlings in flower pots. Flax in rock gardens is used most often in group plantings together with ornamental grasses. It is also planted among low-growing perennials or in flower walls.
This plant is useful.